The Polish cardinal made these statements when closing the 6th International Symposium of the Martín Azpilcueta Institute of the University of Navarre, which brought together 200 professionals and specialists from different countries.

"God has endowed nature with wise laws, directed to the good of humanity. These laws cannot be violated without grave risks. Human nature is eloquent in regard to the complementarity of the sexes, the tendency of marriage to generation, etc.", he said.

"I do not understand how the public interest is not seen in recognizing and protecting the institution of marriage. If this is understood, it is not possible to find any basis whatsoever to compare homosexual unions to marriage: there isn't even an analogy," he added.

On the reiterated position of the Church, he commented: "With this, I don't mean to say that all those who experience a homosexual inclination are personally culpable, but that homosexual conduct is 'objectively disordered,' as the Catechism of the Catholic Church reminds us. In the same way as it would be unacceptable to approve this type of relation, so would it be to approve any unjust discrimination of homosexual persons."